1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mama L [17]
3 years ago
8

X-4y=15 and 8x-5y=42

Mathematics
1 answer:
Alisiya [41]3 years ago
4 0

Answer:

y=-2 8/9

x=31 1/2

Step-by-step explanation:

x-4y=15 --> x=4y+15

8x-5y=42

8(4y+15)-5y = 42

32y +120 - 5y = 42

27y = -78

y=-2 8/9

x=31 1/2

You might be interested in
600$ for 3 years at 6% compounded annually?
Alik [6]
Your set up would be A=600e^(.06*3)
Your answer would be <span>1630.96909708
And if you round it to the nearest 4th decimal it would be
1630.9691</span>
5 0
3 years ago
Read 2 more answers
N-6+4=24 solve for n
zubka84 [21]
N= 26
hope this helped !!
8 0
3 years ago
Read 2 more answers
Simplify (9x + 10) - (7x + 8)
Ilia_Sergeevich [38]

Answer:

2x+2

Step-by-step explanation:

of symbols, representing a value, o relation. example 2+2=4

8 0
4 years ago
What two numbers multiply to -270 and add up to -3
GrogVix [38]

Answer:

-18 and 15

-18 + 15 = -3

-18 x 15 = -270

6 0
3 years ago
25222+14945 rounded to the nearest ten
FrozenT [24]

The answer for this problem is 40167.

To round this up to the nearest 10, if the ones is above 5, round it up.

To the nearest 10

40170

6 0
3 years ago
Read 2 more answers
Other questions:
  • Find the value of the missing term. 812, 852, ___, 932, 972<br> 1:892<br> 2:912<br> 3:902<br> 4:872
    9·1 answer
  • Measure of angle 3 equals 37. Find measure of angle 1.
    9·1 answer
  • What is the length of AB, given that figure ABCD is a rhombus?
    5·2 answers
  • It is found experimentally that the electric field in a certain region of Earth's atmosphere is directed vertically down. At an
    11·1 answer
  • I need help for #3 please! Asap:)
    5·2 answers
  • 43 tens (times) 3 tens= ?
    7·2 answers
  • Would this be Side Side side
    13·2 answers
  • If f (x)=x/2+8 what is f (x) when x=10​
    12·1 answer
  • What are the excluded values for 1/x-x/9=0. Please explain how you get you answer
    6·1 answer
  • Based on the scatter plot below, which is a better prediction for x when y =3?​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!